The toothpicks will help suspend the avocado pit in water and keep the top part of the pit in fresh air and the fat base of the pit under the surface of the water.
牙签可以帮助把油梨核在水里撑起来，让上部在新鲜空气里，肥大的下部在水下。
Basically surface Earth is mostly ocean with a scoop of fresh water on top.
基本上可以这么说，地球表面上空是一个拥有巨量水源的大洋。
When studying on the campus, I see the fishes come to the surface of the water to enjoy the fresh air.
当在大学校园学习时，我瞧见了鱼儿们在雨天露出水面呼吸着清新的空气。
Surface water----The fresh water in rivers, lakes, and reservoirs that collects and flows on the earth's surface.
表面水——河流，湖波和水库中的新鲜水，贮藏以及流淌在地表。
Washing fresh produce thoroughly in dilute solution of vinegar or bicarbonate of soda, and then rinsing in clean water will remove most potential contaminants, such as soil and surface residues.
使用稀释过的醋或小苏打水彻底地洗濯蔬菜，然后以清水冲洗，将会除去潜在的污染物，例如泥土和表面残留物。
Triton 's fountains of youth are thought to be volcanoes that erupt a cold lava of water and liquid ammonia, which freeze to cover the surface with fresh ice and erase the signs of age.
特里同上年轻的喷泉被认为是在过去喷发低温岩浆和液态氨的火山，这些岩浆和液态氨结成冰包裹表面，抹掉了年龄的印记。
Boyang lake is the largest fresh water lake in China and its size of water surface this year is only one tenth as much as usual.
鄱阳湖是中国最大的淡水湖，其规模在中国今年仅是水面十分之一尽可能多的像往常一样。
The thinner fresh-formed ice was also more vulnerable to melting from heat held near the ocean surface by clouds and water vapor.
越薄fresh-formed冰也更容易融化热源附近举行的海洋表面云层和水蒸气。
The key factors and their interactions were also discussed through the response surface and contours of the impact of fresh-cut water chestnuts.
同时利用模型的响应面对影响鲜切荸荠品质的关键因子及其相互作用进行了探讨。
Water covers about 75% of the Earthe's surface, yet, only a small amount it fresh water that can be used for crops.
水大约覆盖了地球表面的75%，但是只有一小部分是可以用来浇灌粮食的淡水。
In many regions of the world, fresh water, both groundwater and surface water, is being used faster than it can be replaced.
在世界的很多地区，淡水，不管是地下水还是地表水，它们的使用速度都快于其再生速度。
Only 0.3 percent of the fresh water is surface water, found in rivers and lakes. The rest is buried deep in the ground.
只有0.3%淡水是地表淡水，这些淡水来自河流和湖泊，其余都深埋在地下。
Only 0.3 percent of the fresh water is surface water, found in rivers and lakes. The rest is buried deep in the ground.
只有0.3%淡水是地表淡水，这些淡水来自河流和湖泊，其余都深埋在地下。
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